Base | Representation |
---|---|
bin | 11110011101010… |
… | …011110111011110 |
3 | 1022121112111021001 |
4 | 132131103313132 |
5 | 2021304000110 |
6 | 122412300514 |
7 | 15443300002 |
oct | 3635236736 |
9 | 1277474231 |
10 | 511000030 |
11 | 24249a982 |
12 | 12317173a |
13 | 81b36ba8 |
14 | 4bc1a702 |
15 | 2ecdc63a |
hex | 1e753dde |
511000030 has 16 divisors (see below), whose sum is σ = 937155744. Its totient is φ = 200543200.
The previous prime is 511000019. The next prime is 511000031. The reversal of 511000030 is 30000115.
It is a super-2 number, since 2×5110000302 = 522242061320001800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 510999980 and 511000016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (511000031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481546 + ... + 482605.
It is an arithmetic number, because the mean of its divisors is an integer number (58572234).
Almost surely, 2511000030 is an apocalyptic number.
511000030 is a deficient number, since it is larger than the sum of its proper divisors (426155714).
511000030 is a wasteful number, since it uses less digits than its factorization.
511000030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 964211.
The product of its (nonzero) digits is 15, while the sum is 10.
The square root of 511000030 is about 22605.3097744756. The cubic root of 511000030 is about 799.4788428594.
Adding to 511000030 its reverse (30000115), we get a palindrome (541000145).
The spelling of 511000030 in words is "five hundred eleven million, thirty", and thus it is an aban number.
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